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authorwdenk <wdenk>2004-07-01 21:40:08 +0000
committerwdenk <wdenk>2004-07-01 21:40:08 +0000
commite55ca7e2624988f82d6f77ddab54246621260c8b (patch)
tree4ad4972b23b77b712d1cc0d4894dadad17a811c9 /cpu/ppc4xx
parent93f6a6771ba04b217e4c8bbca9196fd16e364479 (diff)
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Patch by Andrea Marson, 11 Jun 2004:
Update for PPChameleon board: - support for SysClk @ 25MHz - support for Silicon Motion SM712 VGA controller - some clean ups
Diffstat (limited to 'cpu/ppc4xx')
-rw-r--r--cpu/ppc4xx/speed.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/cpu/ppc4xx/speed.c b/cpu/ppc4xx/speed.c
index f8f88ff..be0de0c 100644
--- a/cpu/ppc4xx/speed.c
+++ b/cpu/ppc4xx/speed.c
@@ -383,8 +383,13 @@ void get_sys_info (PPC405_SYS_INFO * sysInfo)
*/
pllmr0_ccdv = ((pllmr0 & PLLMR0_CPU_DIV_MASK) >> 20) + 1;
if (pllmr1 & PLLMR1_SSCS_MASK) {
- sysInfo->freqProcessor = (CONFIG_SYS_CLK_FREQ * sysInfo->pllFbkDiv)
- / pllmr0_ccdv;
+ /*
+ * This is true if FWDVA == FWDVB:
+ * sysInfo->freqProcessor = (CONFIG_SYS_CLK_FREQ * sysInfo->pllFbkDiv)
+ * / pllmr0_ccdv;
+ */
+ sysInfo->freqProcessor = (CONFIG_SYS_CLK_FREQ * sysInfo->pllFbkDiv * sysInfo->pllFwdDivB)
+ / sysInfo->pllFwdDiv / pllmr0_ccdv;
} else {
sysInfo->freqProcessor = CONFIG_SYS_CLK_FREQ / pllmr0_ccdv;
}